Library /sys$common/syshlp/nclhelp.hlb set, session_control, update_retry_interval  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Default: 60            Values: 1-4294967296

    Time to wait before Session Control retries a failed attempt to
    update information in the namespace.

    Example:

    set session control update retry interval 60